Contrary to popular belief, there is not room for a diverse pool of L2s. There is room for two, Arbitrum and Optimism. And the race is likely over. A number of economic factors lead to duopolies. These factors include high barriers to entry and limited resources, economies of scale, network effects, consumer loyalty, mergers and acquisitions, and government policies. The L2 market has all the conditions for a duopoly and one is already visible. The L2 race will look remarkably similar to thos...